在返回状态码添加 127.0.8.2
CBL cbl.anti-spam.org.cn 2.0.0.127.cbl.anti-spam.org.cn. 127.0.8.2
CDL cdl.anti-spam.org.cn 0.0.0.240.cdl.anti-spam.org.cn. 127.0.8.4
CBL+ cblplus.anti-spam.org.cn 2.0.0.127.cblplus.anti-spam.org.cn. 127.0.8.6
CBL- cblless.anti-spam.org.cn 2.0.0.127.cblless.anti-spam.org.cn. 127.0.8.5
这个列表中,描述了 cbl 的返回特征码是: 127.0.8.2 如果你仅想使用这个列表,则应该在返回状态代码中设置这个值。
在 exchange 服务器中,
C:\WINDOWS\system32>ping 2.0.0.127.cbl.anti-spam.org.cn
Pinging 2.0.0.127.cbl.anti-spam.org.cn [127.0.8.2] with 32 bytes of data:
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Ping statistics for 127.0.8.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
说明正常。前提最好是: 网卡的DNS服务器值与SMTP中设置的DNS是相同的
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